Altec 291-16A (Undated)
A high-frequency compression driver for high-quality music sound systems. It has high sensitivity and a 16-ohm impedance.
Overview
The Altec 291-16A is a high-frequency driver made by Altec Lansing. It was designed for high-level music sound systems of the highest quality. It has a 16-ohm impedance and is noted for its high sensitivity. It was comarketed with the 288C, which has similar performance but more power capability. The diaphragm is lightweight, and vintage audio circles recognize the driver for its build and sound.
Specifications
| Power Handling | 20–40W RMS |
| Power Rating | 40 watts (continuous program material) |
| Impedance | 16 ohms |
| Frequency Response | 500 to 16,000 Hz |
| Flux Density | 16,000 gauss |
| Weight | 13.4 pounds |
Design
The 291-16A uses a lightweight diaphragm and comes in a 16-ohm configuration. It shares design and performance traits with the 288C driver, but it is engineered for higher power handling.
Market
Units in working condition typically sell for $150 - $400 each. A Canuck Audio Mart listing from August 2024 showed CA$2,250 for a pair. Replacement diaphragms come up a lot among owners, and some units have turned up with non-original diaphragms. One owner reported removing a thick coat of paint during restoration.
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